InChI=1S/C17H20N6O2/c18-6-5-12(10-3-1-2-4-10)23-9-11(7-20-23)15-14-13(24)8-19-16(14)22-17(25)21-15/h7,9-10,12,17,21,25H,1-5,8H2,(H,19,22)/t12-,17?/m1/s1